ASoC: TWL4030: Introduce PGAs for outputs
[pandora-kernel.git] / sound / soc / codecs / twl4030.c
index 4dbb853..1a65004 100644 (file)
@@ -225,55 +225,11 @@ static void twl4030_codec_mute(struct snd_soc_codec *codec, int mute)
                return;
 
        if (mute) {
-               /* Bypass the reg_cache and mute the volumes
-                * Headset mute is done in it's own event handler
-                * Things to mute:  Earpiece, PreDrivL/R, CarkitL/R
-                */
-               reg_val = twl4030_read_reg_cache(codec, TWL4030_REG_EAR_CTL);
-               twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
-                                       reg_val & (~TWL4030_EAR_GAIN),
-                                       TWL4030_REG_EAR_CTL);
-
-               reg_val = twl4030_read_reg_cache(codec, TWL4030_REG_PREDL_CTL);
-               twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
-                                       reg_val & (~TWL4030_PREDL_GAIN),
-                                       TWL4030_REG_PREDL_CTL);
-               reg_val = twl4030_read_reg_cache(codec, TWL4030_REG_PREDR_CTL);
-               twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
-                                       reg_val & (~TWL4030_PREDR_GAIN),
-                                       TWL4030_REG_PREDL_CTL);
-
-               reg_val = twl4030_read_reg_cache(codec, TWL4030_REG_PRECKL_CTL);
-               twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
-                                       reg_val & (~TWL4030_PRECKL_GAIN),
-                                       TWL4030_REG_PRECKL_CTL);
-               reg_val = twl4030_read_reg_cache(codec, TWL4030_REG_PRECKR_CTL);
-               twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
-                                       reg_val & (~TWL4030_PRECKR_GAIN),
-                                       TWL4030_REG_PRECKR_CTL);
-
                /* Disable PLL */
                reg_val = twl4030_read_reg_cache(codec, TWL4030_REG_APLL_CTL);
                reg_val &= ~TWL4030_APLL_EN;
                twl4030_write(codec, TWL4030_REG_APLL_CTL, reg_val);
        } else {
-               /* Restore the volumes
-                * Headset mute is done in it's own event handler
-                * Things to restore:  Earpiece, PreDrivL/R, CarkitL/R
-                */
-               twl4030_write(codec, TWL4030_REG_EAR_CTL,
-                       twl4030_read_reg_cache(codec, TWL4030_REG_EAR_CTL));
-
-               twl4030_write(codec, TWL4030_REG_PREDL_CTL,
-                       twl4030_read_reg_cache(codec, TWL4030_REG_PREDL_CTL));
-               twl4030_write(codec, TWL4030_REG_PREDR_CTL,
-                       twl4030_read_reg_cache(codec, TWL4030_REG_PREDR_CTL));
-
-               twl4030_write(codec, TWL4030_REG_PRECKL_CTL,
-                       twl4030_read_reg_cache(codec, TWL4030_REG_PRECKL_CTL));
-               twl4030_write(codec, TWL4030_REG_PRECKR_CTL,
-                       twl4030_read_reg_cache(codec, TWL4030_REG_PRECKR_CTL));
-
                /* Enable PLL */
                reg_val = twl4030_read_reg_cache(codec, TWL4030_REG_APLL_CTL);
                reg_val |= TWL4030_APLL_EN;
@@ -560,6 +516,41 @@ static int micpath_event(struct snd_soc_dapm_widget *w,
        return 0;
 }
 
+/*
+ * Output PGA builder:
+ * Handle the muting and unmuting of the given output (turning off the
+ * amplifier associated with the output pin)
+ * On mute bypass the reg_cache and mute the volume
+ * On unmute: restore the register content
+ * Outputs handled in this way:  Earpiece, PreDrivL/R, CarkitL/R
+ */
+#define TWL4030_OUTPUT_PGA(pin_name, reg, mask)                                \
+static int pin_name##pga_event(struct snd_soc_dapm_widget *w,          \
+               struct snd_kcontrol *kcontrol, int event)               \
+{                                                                      \
+       u8 reg_val;                                                     \
+                                                                       \
+       switch (event) {                                                \
+       case SND_SOC_DAPM_POST_PMU:                                     \
+               twl4030_write(w->codec, reg,                            \
+                       twl4030_read_reg_cache(w->codec, reg));         \
+               break;                                                  \
+       case SND_SOC_DAPM_POST_PMD:                                     \
+               reg_val = twl4030_read_reg_cache(w->codec, reg);        \
+               twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,        \
+                                       reg_val & (~mask),              \
+                                       reg);                           \
+               break;                                                  \
+       }                                                               \
+       return 0;                                                       \
+}
+
+TWL4030_OUTPUT_PGA(earpiece, TWL4030_REG_EAR_CTL, TWL4030_EAR_GAIN);
+TWL4030_OUTPUT_PGA(predrivel, TWL4030_REG_PREDL_CTL, TWL4030_PREDL_GAIN);
+TWL4030_OUTPUT_PGA(predriver, TWL4030_REG_PREDR_CTL, TWL4030_PREDR_GAIN);
+TWL4030_OUTPUT_PGA(carkitl, TWL4030_REG_PRECKL_CTL, TWL4030_PRECKL_GAIN);
+TWL4030_OUTPUT_PGA(carkitr, TWL4030_REG_PRECKR_CTL, TWL4030_PRECKR_GAIN);
+
 static void handsfree_ramp(struct snd_soc_codec *codec, int reg, int ramp)
 {
        unsigned char hs_ctl;
@@ -620,6 +611,9 @@ static int handsfreerpga_event(struct snd_soc_dapm_widget *w,
 
 static void headset_ramp(struct snd_soc_codec *codec, int ramp)
 {
+       struct snd_soc_device *socdev = codec->socdev;
+       struct twl4030_setup_data *setup = socdev->codec_data;
+
        unsigned char hs_gain, hs_pop;
        struct twl4030_priv *twl4030 = codec->private_data;
        /* Base values for ramp delay calculation: 2^19 - 2^26 */
@@ -629,6 +623,17 @@ static void headset_ramp(struct snd_soc_codec *codec, int ramp)
        hs_gain = twl4030_read_reg_cache(codec, TWL4030_REG_HS_GAIN_SET);
        hs_pop = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET);
 
+       /* Enable external mute control, this dramatically reduces
+        * the pop-noise */
+       if (setup && setup->hs_extmute) {
+               if (setup->set_hs_extmute) {
+                       setup->set_hs_extmute(1);
+               } else {
+                       hs_pop |= TWL4030_EXTMUTE;
+                       twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
+               }
+       }
+
        if (ramp) {
                /* Headset ramp-up according to the TRM */
                hs_pop |= TWL4030_VMID_EN;
@@ -636,6 +641,9 @@ static void headset_ramp(struct snd_soc_codec *codec, int ramp)
                twl4030_write(codec, TWL4030_REG_HS_GAIN_SET, hs_gain);
                hs_pop |= TWL4030_RAMP_EN;
                twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
+               /* Wait ramp delay time + 1, so the VMID can settle */
+               mdelay((ramp_base[(hs_pop & TWL4030_RAMP_DELAY) >> 2] /
+                       twl4030->sysclk) + 1);
        } else {
                /* Headset ramp-down _not_ according to
                 * the TRM, but in a way that it is working */
@@ -652,6 +660,16 @@ static void headset_ramp(struct snd_soc_codec *codec, int ramp)
                hs_pop &= ~TWL4030_VMID_EN;
                twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
        }
+
+       /* Disable external mute */
+       if (setup && setup->hs_extmute) {
+               if (setup->set_hs_extmute) {
+                       setup->set_hs_extmute(0);
+               } else {
+                       hs_pop &= ~TWL4030_EXTMUTE;
+                       twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
+               }
+       }
 }
 
 static int headsetlpga_event(struct snd_soc_dapm_widget *w,
@@ -712,7 +730,19 @@ static int bypass_event(struct snd_soc_dapm_widget *w,
 
        reg = twl4030_read_reg_cache(w->codec, m->reg);
 
-       if (m->reg <= TWL4030_REG_ARXR2_APGA_CTL) {
+       /*
+        * bypass_state[0:3] - analog HiFi bypass
+        * bypass_state[4]   - analog voice bypass
+        * bypass_state[5]   - digital voice bypass
+        * bypass_state[6:7] - digital HiFi bypass
+        */
+       if (m->reg == TWL4030_REG_VSTPGA) {
+               /* Voice digital bypass */
+               if (reg)
+                       twl4030->bypass_state |= (1 << 5);
+               else
+                       twl4030->bypass_state &= ~(1 << 5);
+       } else if (m->reg <= TWL4030_REG_ARXR2_APGA_CTL) {
                /* Analog bypass */
                if (reg & (1 << m->shift))
                        twl4030->bypass_state |=
@@ -726,12 +756,6 @@ static int bypass_event(struct snd_soc_dapm_widget *w,
                        twl4030->bypass_state |= (1 << 4);
                else
                        twl4030->bypass_state &= ~(1 << 4);
-       } else if (m->reg == TWL4030_REG_VSTPGA) {
-               /* Voice digital bypass */
-               if (reg)
-                       twl4030->bypass_state |= (1 << 5);
-               else
-                       twl4030->bypass_state &= ~(1 << 5);
        } else {
                /* Digital bypass */
                if (reg & (0x7 << m->shift))
@@ -924,7 +948,7 @@ static const struct soc_enum twl4030_op_modes_enum =
                        ARRAY_SIZE(twl4030_op_modes_texts),
                        twl4030_op_modes_texts);
 
-int snd_soc_put_twl4030_opmode_enum_double(struct snd_kcontrol *kcontrol,
+static int snd_soc_put_twl4030_opmode_enum_double(struct snd_kcontrol *kcontrol,
        struct snd_ctl_elem_value *ucontrol)
 {
        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
@@ -1005,6 +1029,16 @@ static DECLARE_TLV_DB_SCALE(digital_capture_tlv, 0, 100, 0);
  */
 static DECLARE_TLV_DB_SCALE(input_gain_tlv, 0, 600, 0);
 
+/* AVADC clock priority */
+static const char *twl4030_avadc_clk_priority_texts[] = {
+       "Voice high priority", "HiFi high priority"
+};
+
+static const struct soc_enum twl4030_avadc_clk_priority_enum =
+       SOC_ENUM_SINGLE(TWL4030_REG_AVADC_CTL, 2,
+                       ARRAY_SIZE(twl4030_avadc_clk_priority_texts),
+                       twl4030_avadc_clk_priority_texts);
+
 static const char *twl4030_rampdelay_texts[] = {
        "27/20/14 ms", "55/40/27 ms", "109/81/55 ms", "218/161/109 ms",
        "437/323/218 ms", "874/645/437 ms", "1748/1291/874 ms",
@@ -1106,6 +1140,8 @@ static const struct snd_kcontrol_new twl4030_snd_controls[] = {
        SOC_DOUBLE_TLV("Analog Capture Volume", TWL4030_REG_ANAMIC_GAIN,
                0, 3, 5, 0, input_gain_tlv),
 
+       SOC_ENUM("AVADC Clock Priority", twl4030_avadc_clk_priority_enum),
+
        SOC_ENUM("HS ramp delay", twl4030_rampdelay_enum),
 
        SOC_ENUM("Vibra H-bridge mode", twl4030_vibradirmode_enum),
@@ -1208,13 +1244,22 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
        SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0,
                        &twl4030_dapm_earpiece_controls[0],
                        ARRAY_SIZE(twl4030_dapm_earpiece_controls)),
+       SND_SOC_DAPM_PGA_E("Earpiece PGA", SND_SOC_NOPM,
+                       0, 0, NULL, 0, earpiecepga_event,
+                       SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
        /* PreDrivL/R */
        SND_SOC_DAPM_MIXER("PredriveL Mixer", SND_SOC_NOPM, 0, 0,
                        &twl4030_dapm_predrivel_controls[0],
                        ARRAY_SIZE(twl4030_dapm_predrivel_controls)),
+       SND_SOC_DAPM_PGA_E("PredriveL PGA", SND_SOC_NOPM,
+                       0, 0, NULL, 0, predrivelpga_event,
+                       SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
        SND_SOC_DAPM_MIXER("PredriveR Mixer", SND_SOC_NOPM, 0, 0,
                        &twl4030_dapm_predriver_controls[0],
                        ARRAY_SIZE(twl4030_dapm_predriver_controls)),
+       SND_SOC_DAPM_PGA_E("PredriveR PGA", SND_SOC_NOPM,
+                       0, 0, NULL, 0, predriverpga_event,
+                       SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
        /* HeadsetL/R */
        SND_SOC_DAPM_MIXER("HeadsetL Mixer", SND_SOC_NOPM, 0, 0,
                        &twl4030_dapm_hsol_controls[0],
@@ -1232,22 +1277,28 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
        SND_SOC_DAPM_MIXER("CarkitL Mixer", SND_SOC_NOPM, 0, 0,
                        &twl4030_dapm_carkitl_controls[0],
                        ARRAY_SIZE(twl4030_dapm_carkitl_controls)),
+       SND_SOC_DAPM_PGA_E("CarkitL PGA", SND_SOC_NOPM,
+                       0, 0, NULL, 0, carkitlpga_event,
+                       SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
        SND_SOC_DAPM_MIXER("CarkitR Mixer", SND_SOC_NOPM, 0, 0,
                        &twl4030_dapm_carkitr_controls[0],
                        ARRAY_SIZE(twl4030_dapm_carkitr_controls)),
+       SND_SOC_DAPM_PGA_E("CarkitR PGA", SND_SOC_NOPM,
+                       0, 0, NULL, 0, carkitrpga_event,
+                       SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
 
        /* Output MUX controls */
        /* HandsfreeL/R */
        SND_SOC_DAPM_MUX("HandsfreeL Mux", SND_SOC_NOPM, 0, 0,
                &twl4030_dapm_handsfreel_control),
-       SND_SOC_DAPM_SWITCH("HandsfreeL Switch", SND_SOC_NOPM, 0, 0,
+       SND_SOC_DAPM_SWITCH("HandsfreeL", SND_SOC_NOPM, 0, 0,
                        &twl4030_dapm_handsfreelmute_control),
        SND_SOC_DAPM_PGA_E("HandsfreeL PGA", SND_SOC_NOPM,
                        0, 0, NULL, 0, handsfreelpga_event,
                        SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
        SND_SOC_DAPM_MUX("HandsfreeR Mux", SND_SOC_NOPM, 5, 0,
                &twl4030_dapm_handsfreer_control),
-       SND_SOC_DAPM_SWITCH("HandsfreeR Switch", SND_SOC_NOPM, 0, 0,
+       SND_SOC_DAPM_SWITCH("HandsfreeR", SND_SOC_NOPM, 0, 0,
                        &twl4030_dapm_handsfreermute_control),
        SND_SOC_DAPM_PGA_E("HandsfreeR PGA", SND_SOC_NOPM,
                        0, 0, NULL, 0, handsfreerpga_event,
@@ -1326,16 +1377,19 @@ static const struct snd_soc_dapm_route intercon[] = {
        {"Earpiece Mixer", "AudioL1", "Analog L1 Playback Mixer"},
        {"Earpiece Mixer", "AudioL2", "Analog L2 Playback Mixer"},
        {"Earpiece Mixer", "AudioR1", "Analog R1 Playback Mixer"},
+       {"Earpiece PGA", NULL, "Earpiece Mixer"},
        /* PreDrivL */
        {"PredriveL Mixer", "Voice", "Analog Voice Playback Mixer"},
        {"PredriveL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
        {"PredriveL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
        {"PredriveL Mixer", "AudioR2", "Analog R2 Playback Mixer"},
+       {"PredriveL PGA", NULL, "PredriveL Mixer"},
        /* PreDrivR */
        {"PredriveR Mixer", "Voice", "Analog Voice Playback Mixer"},
        {"PredriveR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
        {"PredriveR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
        {"PredriveR Mixer", "AudioL2", "Analog L2 Playback Mixer"},
+       {"PredriveR PGA", NULL, "PredriveR Mixer"},
        /* HeadsetL */
        {"HeadsetL Mixer", "Voice", "Analog Voice Playback Mixer"},
        {"HeadsetL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
@@ -1350,24 +1404,26 @@ static const struct snd_soc_dapm_route intercon[] = {
        {"CarkitL Mixer", "Voice", "Analog Voice Playback Mixer"},
        {"CarkitL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
        {"CarkitL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
+       {"CarkitL PGA", NULL, "CarkitL Mixer"},
        /* CarkitR */
        {"CarkitR Mixer", "Voice", "Analog Voice Playback Mixer"},
        {"CarkitR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
        {"CarkitR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
+       {"CarkitR PGA", NULL, "CarkitR Mixer"},
        /* HandsfreeL */
        {"HandsfreeL Mux", "Voice", "Analog Voice Playback Mixer"},
        {"HandsfreeL Mux", "AudioL1", "Analog L1 Playback Mixer"},
        {"HandsfreeL Mux", "AudioL2", "Analog L2 Playback Mixer"},
        {"HandsfreeL Mux", "AudioR2", "Analog R2 Playback Mixer"},
-       {"HandsfreeL Switch", "Switch", "HandsfreeL Mux"},
-       {"HandsfreeL PGA", NULL, "HandsfreeL Switch"},
+       {"HandsfreeL", "Switch", "HandsfreeL Mux"},
+       {"HandsfreeL PGA", NULL, "HandsfreeL"},
        /* HandsfreeR */
        {"HandsfreeR Mux", "Voice", "Analog Voice Playback Mixer"},
        {"HandsfreeR Mux", "AudioR1", "Analog R1 Playback Mixer"},
        {"HandsfreeR Mux", "AudioR2", "Analog R2 Playback Mixer"},
        {"HandsfreeR Mux", "AudioL2", "Analog L2 Playback Mixer"},
-       {"HandsfreeR Switch", "Switch", "HandsfreeR Mux"},
-       {"HandsfreeR PGA", NULL, "HandsfreeR Switch"},
+       {"HandsfreeR", "Switch", "HandsfreeR Mux"},
+       {"HandsfreeR PGA", NULL, "HandsfreeR"},
        /* Vibra */
        {"Vibra Mux", "AudioL1", "DAC Left1"},
        {"Vibra Mux", "AudioR1", "DAC Right1"},
@@ -1377,13 +1433,13 @@ static const struct snd_soc_dapm_route intercon[] = {
        /* outputs */
        {"OUTL", NULL, "Analog L2 Playback Mixer"},
        {"OUTR", NULL, "Analog R2 Playback Mixer"},
-       {"EARPIECE", NULL, "Earpiece Mixer"},
-       {"PREDRIVEL", NULL, "PredriveL Mixer"},
-       {"PREDRIVER", NULL, "PredriveR Mixer"},
+       {"EARPIECE", NULL, "Earpiece PGA"},
+       {"PREDRIVEL", NULL, "PredriveL PGA"},
+       {"PREDRIVER", NULL, "PredriveR PGA"},
        {"HSOL", NULL, "HeadsetL PGA"},
        {"HSOR", NULL, "HeadsetR PGA"},
-       {"CARKITL", NULL, "CarkitL Mixer"},
-       {"CARKITR", NULL, "CarkitR Mixer"},
+       {"CARKITL", NULL, "CarkitL PGA"},
+       {"CARKITR", NULL, "CarkitR PGA"},
        {"HFL", NULL, "HandsfreeL PGA"},
        {"HFR", NULL, "HandsfreeR PGA"},
        {"Vibra Route", "Audio", "Vibra Mux"},
@@ -1609,8 +1665,6 @@ static int twl4030_hw_params(struct snd_pcm_substream *substream,
 
         /* If the substream has 4 channel, do the necessary setup */
        if (params_channels(params) == 4) {
-               u8 format, mode;
-
                format = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF);
                mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE);
 
@@ -1806,6 +1860,19 @@ static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai,
        return 0;
 }
 
+static int twl4030_set_tristate(struct snd_soc_dai *dai, int tristate)
+{
+       struct snd_soc_codec *codec = dai->codec;
+       u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF);
+
+       if (tristate)
+               reg |= TWL4030_AIF_TRI_EN;
+       else
+               reg &= ~TWL4030_AIF_TRI_EN;
+
+       return twl4030_write(codec, TWL4030_REG_AUDIO_IF, reg);
+}
+
 /* In case of voice mode, the RX1 L(VRX) for downlink and the TX2 L/R
  * (VTXL, VTXR) for uplink has to be enabled/disabled. */
 static void twl4030_voice_enable(struct snd_soc_codec *codec, int direction,
@@ -1948,7 +2015,7 @@ static int twl4030_voice_set_dai_fmt(struct snd_soc_dai *codec_dai,
 
        /* set master/slave audio interface */
        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
-       case SND_SOC_DAIFMT_CBS_CFM:
+       case SND_SOC_DAIFMT_CBM_CFM:
                format &= ~(TWL4030_VIF_SLAVE_EN);
                break;
        case SND_SOC_DAIFMT_CBS_CFS:
@@ -1980,6 +2047,19 @@ static int twl4030_voice_set_dai_fmt(struct snd_soc_dai *codec_dai,
        return 0;
 }
 
+static int twl4030_voice_set_tristate(struct snd_soc_dai *dai, int tristate)
+{
+       struct snd_soc_codec *codec = dai->codec;
+       u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_VOICE_IF);
+
+       if (tristate)
+               reg |= TWL4030_VIF_TRI_EN;
+       else
+               reg &= ~TWL4030_VIF_TRI_EN;
+
+       return twl4030_write(codec, TWL4030_REG_VOICE_IF, reg);
+}
+
 #define TWL4030_RATES   (SNDRV_PCM_RATE_8000_48000)
 #define TWL4030_FORMATS         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FORMAT_S24_LE)
 
@@ -1989,6 +2069,7 @@ static struct snd_soc_dai_ops twl4030_dai_ops = {
        .hw_params      = twl4030_hw_params,
        .set_sysclk     = twl4030_set_dai_sysclk,
        .set_fmt        = twl4030_set_dai_fmt,
+       .set_tristate   = twl4030_set_tristate,
 };
 
 static struct snd_soc_dai_ops twl4030_dai_voice_ops = {
@@ -1997,6 +2078,7 @@ static struct snd_soc_dai_ops twl4030_dai_voice_ops = {
        .hw_params      = twl4030_voice_hw_params,
        .set_sysclk     = twl4030_voice_set_dai_sysclk,
        .set_fmt        = twl4030_voice_set_dai_fmt,
+       .set_tristate   = twl4030_voice_set_tristate,
 };
 
 struct snd_soc_dai twl4030_dai[] = {